| 7527 manual error ignition issue [message #131133] |
Mon, 20 June 2011 18:40  |
fred v
Messages: 999
Registered: April 2006
Location: pensacola, fl.
Karma: 0
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John Nicholls helped me change my master cyl., alternator and charge the AC. when done i cranked it up and as it idled for awhile it suddenly quite. no spark. good 12v to the distributor.
we pulled the module which tested OK at the parts store. next we tested the pickup coil with an ohm meter and it looked bad so we changed it for a spare one he had on hand. still no spark. next we tested one on a distributor he had just pulled out of his coach and replaced with a Patterson unit; it tested bad.
long story short the 7525 manual on page 6y-55, 6y56 showed how to test the pickup coil with an ohm meter. we found the hookup picture on page 6y-56 is wrong. step 1 and 2 should be reversed as far as the connections go. when reversing the test the 2 pickup coils showed to be OK. but still no spark.
we also checked the coil on 3 dist. caps and they all showed to be OK by the manual but only one of them would actually give any spark. finally got it running an set the timing and all is well.
i post this because of the recent thread on "no spark" that had someone stuck on the side of the road with the same problem. maybe those distributors on e-bay aren't such a bad idea after all.
Fred V
'77 Royale RB 455
P'cola, Fl
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| Re: [GMCnet] 7527 manual error ignition issue [message #131145 is a reply to message #131133] |
Mon, 20 June 2011 19:27  |
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USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
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Senior Member |
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Fred,
I'm sorry but being electrically challenged I don't understand your
explanation.
I note the Figure 59 while numbered 1 & 2 relate to steps C-8 and C-9 on
page 6Y-55.
Could you take a moment and re-write the steps correctly.
Regards,
Rob M.
USAussie - Downunder
AUS '75 Avion - The Blue Streak TZE365V100428
USA '75 Avion - Double Trouble TZE365V100426
-----Original Message-----
From: gmclist-bounces@temp.gmcnet.org
[mailto:gmclist-bounces@temp.gmcnet.org] On Behalf Of fred veenschoten
Sent: Tuesday, June 21, 2011 9:41 AM
To: gmclist@temp.gmcnet.org
Subject: [GMCnet] 7527 manual error ignition issue
John Nicholls helped me change my master cyl., alternator and charge the AC.
when done i cranked it up and as it idled for awhile it suddenly quite. no
spark. good 12v to the distributor.
we pulled the module which tested OK at the parts store. next we tested the
pickup coil with an ohm meter and it looked bad so we changed it for a spare
one he had on hand. still no spark. next we tested one on a distributor he
had just pulled out of his coach and replaced with a Patterson unit; it
tested bad.
long story short the 7525 manual on page 6y-55, 6y56 showed how to test the
pickup coil with an ohm meter. we found the hookup picture on page 6y-56 is
wrong. step 1 and 2 should be reversed as far as the connections go. when
reversing the test the 2 pickup coils showed to be OK. but still no spark.
we also checked the coil on 3 dist. caps and they all showed to be OK by the
manual but only one of them would actually give any spark. finally got it
running an set the timing and all is well.
i post this because of the recent thread on "no spark" that had someone
stuck on the side of the road with the same problem. maybe those
distributors on e-bay aren't such a bad idea after all.
--
Fred V
'77 Royale RB 455
P'cola, Fl
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Regards,
Rob M. (USAussie)
The Pedantic Mechanic
Sydney, Australia
'75 Avion - AUS - The Blue Streak TZE365V100428
'75 Avion - USA - Double Trouble TZE365V100426
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| Re: 7527 manual error ignition issue [message #131166 is a reply to message #131133] |
Mon, 20 June 2011 21:06 |
fred v
Messages: 999
Registered: April 2006
Location: pensacola, fl.
Karma: 0
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Senior Member |
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in step 1 c-8 use step 2 hookup (fig. 59) of the ohm meter. in c-9 step 2 use fig. 59 step 1 hookup of ohm meter.
make sense?
Fred V
'77 Royale RB 455
P'cola, Fl
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